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Table 3 Salivary cortisol level of the ADHD group before treatment and 1 month after treatment with methylphenidate

From: Effect of one-month treatment with methylphenidate on salivary cortisol level of attention deficit hyperactivity disorder children

Salivary cortisol level Predominantly inattentive ADHD (n = 17) Predominantly hyperactive/impulsive ADHD (n = 12) Combined ADHD (n = 16) ADHD group (n = 45)
Before treatment 15.98 (9.99–44.40) 16.95 (1.31–38.85) 15.90 (4.33–82.64) 16.04 (1.31–82.64)
After treatment 25.74 (9.67–78.13) 27.75 (2.45–47.41) 22.42 (1.18–99.34) 25.74 (1.18–99.34)
Wilcoxon signed test 1.82 1.88 0.362 2.11
p value 0.068 0.06 0.717 0.035*